000 AGXX40 KNHC 200517 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 120 AM EDT FRI JUL 20 2007 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. UPPER LEVELS... UPPER LOW NORTH OF MONA PASSAGE AND EAST OF BAHAMAS IS PART OF A BROAD TROUGH OVER THE REGION. STRONG MIDDLE LATITUDE TROUGH EXTENDS SOUTH ALONG THE EASTERN U.S. COAST TO FLORIDA. THIS PATTERN WILL GRADUALLY BECOME FLATTER THROUGH SUNDAY WITH A RIDGE BUILDING OVER THE AREA MONDAY AND TUESDAY. SURFACE... THE ONLY SIGNIFICANT WINDS WILL BE TRADE WINDS OF UP TO 20 KNOTS SOUTH OF 22N. THESE WINDS MAY OCCASIONALLY REACH 25 KT IN THE CENTRAL CARIBBEAN. ELSEWHERE WINDS WILL MOSTLY BE 10 KT OR LESS. A COLD FRONT WILL MOVE OFF THE SOUTHEAST U.S. COAST LATE FRIDAY THEN WEAKEN OVER THE NORTHWEST PART OF THE ATLANTIC AREA SATURDAY AND SUNDAY. WARNINGS... ATLANTIC... NONE. CARIBBEAN... NONE. GULF OF MEXICO... NONE. FORECASTER LL